Just brought a new laptop and it came with Windows 8
Downloaded the Itunes 64 bit programme 10.7 I think but Windows says it is not compatible
Are you sure you download/installed the right version?
I am using iTunes on Win 8 64 bit. Try:
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
Trouble installing iTunes or QuickTime for Windows
Retrieving data ...